TWM505554U - Fastener - Google Patents

Fastener Download PDF

Info

Publication number
TWM505554U
TWM505554U TW104206308U TW104206308U TWM505554U TW M505554 U TWM505554 U TW M505554U TW 104206308 U TW104206308 U TW 104206308U TW 104206308 U TW104206308 U TW 104206308U TW M505554 U TWM505554 U TW M505554U
Authority
TW
Taiwan
Prior art keywords
locking
rod body
fastener
screw head
screw
Prior art date
Application number
TW104206308U
Other languages
Chinese (zh)
Inventor
Zheng-Yan Wu
Original Assignee
Toing Chering Entpr Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toing Chering Entpr Co Ltd filed Critical Toing Chering Entpr Co Ltd
Priority to TW104206308U priority Critical patent/TWM505554U/en
Publication of TWM505554U publication Critical patent/TWM505554U/en

Links

Landscapes

  • Bolts, Nuts, And Washers (AREA)

Description

緊固件fastener

本創作係有關於一種緊固件的設計,特別是指一種鎖合快速,且易定位之緊固件。This creation is about the design of a fastener, especially a fastener that is fast and easy to position.

參閱圖1,習知螺絲1包含有一螺頭11,一與該螺頭11連結之桿體12,複數環設於該桿體12上之螺牙13,以及一相反該螺頭11且設於該桿體12另一端之鎖合部14;是以,當該螺絲1進行鎖合作業時,利用該鎖合部14初步進入一物件2中,而後再利用該等螺牙13進行切削且同時對該物件2具剪切之作用,俾達鎖合定位之效果。Referring to FIG. 1 , the conventional screw 1 includes a screw head 11 , a rod body 12 coupled to the screw head 11 , a plurality of threaded teeth 13 disposed on the rod body 12 , and an opposite end of the screw head 11 . The locking portion 14 at the other end of the rod body 12 is such that when the screw 1 is engaged in locking cooperation, the locking portion 14 is used to initially enter an object 2, and then the thread 13 is used for cutting and simultaneously The object 2 has a shearing effect, and the effect of the locking positioning is achieved.

惟,實際使用後發現,因該等螺牙13進行切削旋鎖時,其在無法完全將該物件2之纖維完全剪斷之因素下,均會導致鎖合阻力增加,使得該螺頭11無法完全進入該物件2內,因而造就使用者必需再施予較大之旋鎖扭力,才能使該螺絲1順利進入該物件中,然而如此不但會導致鎖合過程中導致該螺絲1無法負荷過大之鎖合扭矩進而產生斷裂,亦或造成該物件2具有裂材之情事產生,進而使該螺絲1無法鎖合後與該物件2產生平整外,更無法確實產生定位效果,實 有待改進。However, after actual use, it is found that when the screw 13 is subjected to the cutting and twisting, the locking resistance is increased due to the fact that the fiber of the object 2 cannot be completely cut, so that the screw 11 cannot be Completely entering the object 2, thus causing the user to apply a larger twisting torque to enable the screw 1 to smoothly enter the object, but this will not only cause the screw 1 to be overloaded during the locking process. The locking torque is further broken, or the object 2 has a cracked material, so that the screw 1 cannot be locked and the object 2 is flattened, and the positioning effect is not actually obtained. Room for improvement.

因此,本新型之目的,是在提供一緊固件,其可使鎖合物被快速切削鎖合進入,以增進鎖合後與物件之平整度,更能提昇鎖合之緊固力與定位效果。Therefore, the purpose of the present invention is to provide a fastener that allows the lock compound to be quickly cut into and out, to improve the flatness of the object after the lock, and to improve the fastening force and positioning effect of the lock. .

於是,本新型緊固件包含有桿體、螺頭、鎖合部及複數螺牙;其中,該螺頭具有一延伸部,一由該延伸部向下延伸之銜接部,以及一開設於該螺頭上之鎖合孔;其中,該鎖合孔係設於該延伸部上;另,該銜接部具有一大於該桿體尺寸且與該桿體相接之底面,以及一連接該延伸部與該底面間之周緣面,而前述該底面上開設有一凹槽,且該凹槽與該周緣面相接處形成有一環切刃;故,鎖合時,該緊固件得以利用該等螺牙產生切削螺合作動,以帶動該桿體進入物件內,同時適時利用搭配設於該桿體上之斜齒牙擋掣設計,使得切削後完成之切屑受到擋掣,以增加鎖合的緊固力,最後再利用該環切刃的切削,不但可使該螺頭得以快速切削進入該物件內,使得該螺頭與該物件產生緊密鎖合,以達增進鎖合後該緊固件與該物件之平整度,大大提昇鎖合定位與緊固力。Therefore, the fastener of the present invention comprises a rod body, a screw head, a locking portion and a plurality of threaded teeth; wherein the screw head has an extending portion, an engaging portion extending downward from the extending portion, and a screw opening a locking hole on the head; wherein the locking hole is disposed on the extending portion; and the engaging portion has a bottom surface that is larger than the size of the rod body and is in contact with the rod body, and a connecting the extending portion and the a peripheral surface between the bottom surfaces, and a groove is formed in the bottom surface, and a groove cutting edge is formed on the bottom surface of the groove; therefore, when the locking is engaged, the fastener can be cut by using the thread The screw cooperates to drive the rod into the object, and at the same time, the slanted tooth shackle designed on the rod body is used in time to make the swarf after the cutting is blocked, so as to increase the fastening force of the lock. Finally, the cutting of the ring cutting edge can not only enable the screw head to be quickly cut into the object, so that the screw head and the object piece are tightly locked, so as to improve the flatness of the fastener and the object after the locking is improved. Degree, greatly improve the locking positioning and fastening .

〔習知〕[study]

1‧‧‧螺絲1‧‧‧ screws

11‧‧‧螺頭11‧‧‧ screw head

12‧‧‧桿體12‧‧‧ rod body

13‧‧‧螺牙13‧‧‧ thread

14‧‧‧鎖合部14‧‧‧Locking Department

2‧‧‧物件2‧‧‧ objects

〔本新型〕[This new type]

3‧‧‧緊固件3‧‧‧fasteners

31‧‧‧桿體31‧‧‧ rod body

32‧‧‧螺頭32‧‧‧ screw head

33‧‧‧鎖合部33‧‧‧Locking Department

34‧‧‧螺牙34‧‧‧ thread

35‧‧‧斜齒牙35‧‧‧ Helical teeth

321‧‧‧延伸部321‧‧‧Extension

322‧‧‧銜接部322‧‧‧Connecting Department

323‧‧‧鎖合孔323‧‧‧Lock hole

3211‧‧‧弦切面3211‧‧‧string face

3212‧‧‧外周緣3212‧‧‧ outer periphery

3213‧‧‧底切刃3213‧‧‧Bottom cutting edge

3221‧‧‧底面3221‧‧‧ bottom

3222‧‧‧周緣面3222‧‧‧Weekly

3223‧‧‧凹槽3223‧‧‧ Groove

3224‧‧‧環切刃3224‧‧‧ring cutting edge

331‧‧‧凸翅331‧‧‧

341‧‧‧高牙341‧‧‧High teeth

342‧‧‧低牙342‧‧‧low teeth

4‧‧‧物件4‧‧‧ objects

圖1是習知螺絲之示意圖。Figure 1 is a schematic view of a conventional screw.

圖2是本新型第一較佳實施例之示意圖。Figure 2 is a schematic view of a first preferred embodiment of the present invention.

圖3是該第一較佳實施例之局部構件剖面示意圖。Figure 3 is a cross-sectional view showing a portion of the member of the first preferred embodiment.

圖4是該第一較佳實施例之鎖合部另一實施形態設置之示意圖。Fig. 4 is a schematic view showing another embodiment of the lock portion of the first preferred embodiment.

圖5是本新型第二較佳實施例之示意圖。Figure 5 is a schematic view of a second preferred embodiment of the present invention.

圖6是本新型第三較佳實施例之示意圖。Figure 6 is a schematic view of a third preferred embodiment of the present invention.

圖7是該第三較佳實施例之高、低牙另一實施形態設置之示意圖。Fig. 7 is a schematic view showing another embodiment of the high and low teeth of the third preferred embodiment.

有關本新型之前述及其他技術內容、特點與功效,在以下配合參考圖式之較佳實施例的詳細說明中,將可清楚的明白。The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments of the invention.

在本新型被詳細描述前,要注意的是,在以下的說明中,類似元件是以相同的編號來表示。Before the present invention is described in detail, it is noted that in the following description, like elements are denoted by the same reference numerals.

參閱圖2、圖3,本新型緊固件3之第一較佳實例,包含有一桿體31,一設於該桿體31一端之螺頭32,一相反該螺頭32且設於該桿體31另一端之鎖合部33,以及複數螺旋環設於該桿體31上且由該鎖合部33往該螺頭32方向延伸之螺牙34;其中,該螺頭32具有一延伸部321,一由該延伸部322向下延伸之延接部322,以及一開設於該螺頭32上之鎖合孔323,而前述該鎖合孔323係設於該延伸部321上,同時該延伸部321相反於該鎖合孔323位置具有一大於該銜接 部322尺寸且與該銜接部322相接之弦切面3211,且該弦切面3211與該延伸部321之外周緣3212相接處形成有一底切刃3213。Referring to FIG. 2 and FIG. 3, a first preferred embodiment of the present invention includes a rod body 31, a screw head 32 disposed at one end of the rod body 31, and a screw head 32 opposite to the rod body. The locking portion 33 at the other end of the 31, and the plurality of helical rings are disposed on the rod body 31 and extend from the locking portion 33 toward the screw head 32; wherein the screw head 32 has an extending portion 321 An extending portion 322 extending downward from the extending portion 322 and a locking hole 323 formed in the screw head 32, and the locking hole 323 is disposed on the extending portion 321 while the extending portion The portion 321 opposite to the locking hole 323 has a position greater than the engagement The portion 322 is sized and has a chord section 3211 that is in contact with the engaging portion 322, and an undercut edge 3213 is formed at the intersection of the chord section 3211 and the outer periphery 3212 of the extending portion 321 .

接續前述,該銜接部322具有一大於該桿體31 尺寸且與該桿體31相接之底面3221,以及一連接該延伸部321與該底面3221間之周緣面3222,而前述該底面3221上開設有一凹槽3223,且該凹槽3223與該緣周面3222相接處形成有一環切刃3224;至於,該鎖合部33之設置可視使用之需求設計為尖尾及湯匙尾等態樣,或者將該鎖合部33設計為具有至少一相對應凸翅331設置之鑽尾形態,即如圖4所示(圖中係以具有二相對應之凸翅表示),藉此以針對不同材質之物件進行擴孔的鑽鎖與切削,無論該鎖合部33呈何種形態設置皆是藉以輔佐後續該等螺牙34鑽鎖時可順利的螺入,以下該鎖合部33之說明係以圖2為之。In the foregoing, the engaging portion 322 has a larger than the rod 31. a bottom surface 3221 that is sized to be in contact with the rod body 31, and a peripheral surface 3222 between the extending portion 321 and the bottom surface 3221, and the bottom surface 3221 defines a recess 3223, and the recess 3223 and the edge A ring cutting edge 3224 is formed at the intersection of the circumferential surface 3222; as a result, the setting of the locking portion 33 can be designed as a pointed tail and a spoon tail according to the needs of use, or the locking portion 33 is designed to have at least one phase. Corresponding to the shape of the tail of the convex fins 331, as shown in FIG. 4 (in the figure, there are two corresponding convex fins), thereby drilling and cutting the holes for different materials, regardless of the The manner in which the locking portion 33 is disposed is to facilitate the subsequent screwing of the screw 34. The following description of the locking portion 33 is shown in FIG.

參閱圖2、圖3,該緊固件3於物件4上進行鎖 合作業時,首先利用一鎖合工具(圖中未示)伸至該鎖合孔323內,以使該螺頭32受到該鎖合工具之旋轉扭力的導引,使得該鎖合部33受到推進之作用力後得以進入該物件4中,直至該等螺牙34與該物件4接觸後,該等螺牙34得以呈漸進方式對該物件4產生切削作用,且持續螺進直至該銜接部322抵觸該物件4,此時即可利用該環切刃3224針對該等螺牙34切削過程中,其部分未經被切斷裂之木纖維進行切削,使得 木纖維確實被予以切斷,以使該螺頭32快速螺入該物件4中,同時有效防止於鎖合過程中受到未斷裂之木纖維纏繞,而產生鎖合阻力,俾利得以加速該螺頭32快速切削進入該物件4內,且切削時產生之切屑得藉由該底面3221尺寸大於該桿體31的設計,進而受到該底面3221與該凹槽3223的有效壓掣,同時當該銜接部322逐漸螺入該物件4中後,俾再利用該底切刃3213與該弦切面3211設置,接續該銜接部322進行最後之切削與切屑的壓掣,且切削時產生的部分切屑確實受到該弦切面3211有效的壓掣,如此鎖合後不會有切屑凸伸於該物件4外之情事,同時更能使該緊固件3鎖合後與該物件4產生緊密卡掣之作用,且得以維持鎖合後之該緊固件3與該物件4的平整度效果,不但得以加速鎖合速度外,更有效提昇鎖合定位與緊固力等功效。Referring to Figures 2 and 3, the fastener 3 is locked on the object 4. In the cooperative industry, a locking tool (not shown) is firstly extended into the locking hole 323 so that the screw head 32 is guided by the rotational torque of the locking tool, so that the locking portion 33 is subjected to the locking portion 33. After the force of the advancement, the object 4 can be inserted into the object 4 until the thread 34 contacts the object 4, and the thread 34 can progressively cut the object 4 and continue to screw into the joint. The object 322 is in contact with the object 4, and the ring cutting edge 3224 can be used to cut the wood fiber which is not cut and fractured during the cutting process of the thread 34. The wood fiber is indeed cut so that the screw head 32 is quickly screwed into the object 4, and at the same time, it is effectively prevented from being entangled by the unbroken wood fiber during the locking process, and the locking resistance is generated, and the snail can accelerate the snail. The head 32 is rapidly cut into the object 4, and the chip generated during cutting is obtained by the bottom surface 3221 being larger than the design of the rod body 31, and then effectively pressed by the bottom surface 3221 and the groove 3223, and when the connection is made After the portion 322 is gradually screwed into the object 4, the bottom cutting edge 3213 is further disposed with the string cutting surface 3211, and the engaging portion 322 is continued to perform final cutting and chip pressing, and part of the chips generated during cutting are indeed subjected to The chord section 3211 is effectively pressed, so that there is no swarf protruding from the object 4 after the locking, and the fastener 3 can be locked to form a tight jam with the object 4, and The flatness effect of the fastener 3 and the object 4 after the locking is maintained, not only accelerates the locking speed, but also effectively improves the locking positioning and the fastening force.

參閱圖5,本新型之第二較佳實施例,其仍包含 有第一實施例所述之構件,本實施例特別在於,該桿體31上加設有複數與該等螺牙34旋設呈相反設置之斜齒牙35的設置;是以,利用與該等螺牙34呈相反設置之該等斜齒牙35的擋掣搭配設計,可使該等螺牙34於鎖合切削時產生之切屑,再次受到該等斜齒牙35的切削,以加速該緊固件3的鎖合速度,不但可使切削完成之切屑受到該等斜齒牙35呈反向設置的擋掣,同時更能有效增加鎖合緊固力,且再利用該螺頭32具有之該銜接部322與該延伸部321進行最後的切削, 使得該螺頭32得以快速切削進入該物件4內,以免除鎖合過程中受到未切斷纖維的纏繞影響,而產生鎖合阻力與鎖合後產生偏斜等缺失,更能加速該緊固件3能快速方式且無阻力進入該物件4中,不但可防止裂材之情事外,更能提升該緊固件3之鎖合緊固力與定位效果,藉以大幅提升該緊固件3的鎖合緊固力。Referring to Figure 5, a second preferred embodiment of the present invention still contains There is a member according to the first embodiment, and the embodiment is particularly characterized in that the rod body 31 is provided with a plurality of oblique teeth 35 arranged opposite to the screw teeth 34; The spurs 34 are arranged in opposite directions, and the spurs of the spurs 35 are arranged to cut the chips generated by the dies 34 during the locking and cutting, and are again subjected to cutting by the slanting teeth 35 to accelerate the cutting. The locking speed of the fastener 3 not only allows the cutting chips to be reversely disposed by the helical teeth 35, but also effectively increases the locking fastening force, and the screw head 32 is used again. The engaging portion 322 performs final cutting with the extending portion 321 . The screw head 32 can be quickly cut into the object 4 to avoid the entanglement of the uncut fiber during the locking process, and the locking resistance and the deflection after the locking are lost, and the fastener can be accelerated. 3 can enter the object 4 quickly and without resistance, not only can prevent the cracking material, but also can improve the locking fastening force and the positioning effect of the fastener 3, thereby greatly improving the locking of the fastener 3. Solid.

參閱圖6,本新型之第三較佳實施例,其包含有 桿體31、螺頭32、鎖合部33及複數螺牙34等主要構件,特別是,本實施例中複數環設於該桿體31之該等螺牙34呈高、低牙341、342設置該桿體31上,當然該等螺牙34呈高、低牙341、342設置亦可運用在第二較佳實施例上,即如圖7所示;是以,當該緊固件3進行鎖設時,皆能使該緊固件3得以藉由該螺牙34所呈不同外徑之該高、低牙341、342的設置,以使該緊固件3可快速且無阻力進入該物件4(圖中未示)中,不但鎖合速度快且抗扭力,更能大大降低鎖合過程中具有歪斜情事產生,俾達到較佳的快速鎖設定位與緊固力的提升。Referring to FIG. 6, a third preferred embodiment of the present invention includes Main members such as the rod body 31, the screw head 32, the locking portion 33, and the plurality of thread teeth 34. In particular, in the present embodiment, the plurality of threads 34 of the rod body 31 are high and low teeth 341, 342. The rod body 31 is disposed. Of course, the screw teeth 34 are disposed in the high and low teeth 341, 342. The second embodiment is also applicable to the second preferred embodiment, that is, as shown in FIG. 7; When the lock is applied, the fastener 3 can be disposed by the high and low teeth 341, 342 having different outer diameters of the screw 34, so that the fastener 3 can enter the object 4 quickly and without resistance. (not shown in the figure), not only the fast locking speed and the anti-torque force, but also greatly reduce the occurrence of skew in the locking process, and achieve better quick lock setting and fastening force.

歸納前述,本新型緊固件,係利用螺頭之銜接部 具有底面、周緣面、凹槽及環切刃的設置,使得鎖設過程中,可再適時搭配斜齒牙擋掣設計,不但可使切削完成之切屑受到擋掣,更可有效增加鎖合之緊固力,最後藉由該銜接部之底面大於該桿體之設計,不但可以利用該環切刃切削,促使該螺頭得以快速切削進入該物件內,大大以增進鎖合後與該 物件之平整度,更能提昇鎖合之緊固力與定位效果,故確實能達到本新型之目的。In summary, the new type of fastener uses the joint of the screw head. With the bottom surface, the peripheral surface, the groove and the ring cutting edge, the design can be matched with the helical tooth shackle design during the locking process, which not only can block the cutting chips, but also effectively increase the locking. The fastening force, finally by the bottom surface of the connecting portion is larger than the design of the rod body, can not only use the ring cutting edge to cut, so that the screw head can be quickly cut into the object, greatly improving the locking and The flatness of the object can improve the fastening force and positioning effect of the lock, so it can achieve the purpose of the present invention.

惟以上所述者,僅為說明本新型之較佳實施例而已,當不能以此限定本新型實施之範圍,即大凡依本新型申請專利範圍及新型說明書內容所作之簡單的等效變化與修飾,皆應仍屬本新型專利涵蓋之範圍內。However, the above description is only for the purpose of illustrating the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the new specification. All should remain within the scope of this new patent.

3‧‧‧緊固件3‧‧‧fasteners

31‧‧‧桿體31‧‧‧ rod body

32‧‧‧螺頭32‧‧‧ screw head

33‧‧‧鎖合部33‧‧‧Locking Department

34‧‧‧螺牙34‧‧‧ thread

321‧‧‧延伸部321‧‧‧Extension

322‧‧‧銜接部322‧‧‧Connecting Department

323‧‧‧鎖合孔323‧‧‧Lock hole

3211‧‧‧弦切面3211‧‧‧string face

3212‧‧‧外周緣3212‧‧‧ outer periphery

3213‧‧‧底切刃3213‧‧‧Bottom cutting edge

3221‧‧‧底面3221‧‧‧ bottom

3222‧‧‧周緣面3222‧‧‧Weekly

3223‧‧‧凹槽3223‧‧‧ Groove

3224‧‧‧環切刃3224‧‧‧ring cutting edge

4‧‧‧物件4‧‧‧ objects

Claims (5)

一種緊固件,其包含有一桿體,一設於該桿體一端之螺頭,一相反於該螺頭且設於該桿體另一端上之鎖合部,以及複數螺旋環設於該桿體上且由該鎖合部往該螺頭方向延伸之螺牙;其中,該螺頭上開設有一鎖合孔;其特徵在於:該螺頭具有一延伸部,以及一由該延伸部向下延伸之銜接部;其中,該鎖合孔設於該延伸部上;另,該銜接部具有一大於該桿體尺寸且與該桿體相接之底面,以及一連接該延伸部與該底面間之周緣面,而前述該底面上開設有一凹槽,且該凹槽與該周緣面相接處形成有一環切刃。A fastener comprising a rod body, a screw head disposed at one end of the rod body, a locking portion opposite to the screw head and disposed on the other end of the rod body, and a plurality of spiral rings disposed on the rod body a thread extending from the locking portion toward the screw head; wherein the screw head defines a locking hole; wherein the screw head has an extending portion, and a downward extending portion of the protruding portion An engaging portion; wherein the locking hole is disposed on the extending portion; and the engaging portion has a bottom surface that is larger than the size of the rod body and is in contact with the rod body, and a periphery connecting the extending portion and the bottom surface And a groove is formed on the bottom surface, and a groove cutting edge is formed at the groove and the peripheral surface. 根據申專利範圍第1項所述之緊固件,其中,該延伸部相反於該鎖合孔位置處具有一大於該銜接部尺寸且與該銜接部相接之弦切面,且該弦切面與該延伸部外周緣相接處形成有一底切刃。The fastener of claim 1, wherein the extending portion has a chord cut surface that is larger than the size of the engaging portion and is in contact with the engaging portion, and the chord cut surface is opposite to the locking hole An undercut is formed at the outer periphery of the extension. 根據申請專利範圍第1或2項所述之緊固件,其中,該桿體上加設有複數與該等螺牙旋設方向呈相反設置之斜齒牙。The fastener according to claim 1 or 2, wherein the rod body is provided with a plurality of helical teeth arranged opposite to the screwing direction of the screw. 根據申請專利範圍第1項所述之緊固件,其中,該等螺牙呈高低牙設置。The fastener of claim 1, wherein the threads are in a high and low tooth setting. 根據申請專利範圍第3項所述之緊固件,其中,該等螺牙呈高低牙設置。The fastener of claim 3, wherein the threads are in a high and low tooth setting.
TW104206308U 2015-04-24 2015-04-24 Fastener TWM505554U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW104206308U TWM505554U (en) 2015-04-24 2015-04-24 Fastener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW104206308U TWM505554U (en) 2015-04-24 2015-04-24 Fastener

Publications (1)

Publication Number Publication Date
TWM505554U true TWM505554U (en) 2015-07-21

Family

ID=54153352

Family Applications (1)

Application Number Title Priority Date Filing Date
TW104206308U TWM505554U (en) 2015-04-24 2015-04-24 Fastener

Country Status (1)

Country Link
TW (1) TWM505554U (en)

Similar Documents

Publication Publication Date Title
TWI614417B (en) Screw with cutting teeth
TWM505554U (en) Fastener
TW201516279A (en) A self-drilling screw
TW202012797A (en) Screw
TWM456420U (en) Wood screw
CN110792670A (en) Locking part
TWM511559U (en) Screw
TW201738466A (en) Fastener capable of stabilizing the screwing effect
TWI682103B (en) Fastener
TWI595161B (en) Fastener
TWM511929U (en) Improved structure of screwdriver bit
TWM542087U (en) Fastener featuring low resistance and fast screwing
TWI738043B (en) Quick fastening screw
TWM455090U (en) Improved structure of wood screw
TW201441493A (en) A screwing fastener
TWI649486B (en) Roofing screw
TWI518252B (en) A screw capable of rapidly drilling and cutting
TWI640695B (en) Wood screw
TWM503487U (en) Quick fastening and locking screw
TWM506211U (en) Quick fastening and locking screw
TWM498247U (en) High torque fastening member
TWM519685U (en) Locking fastener
TWI592584B (en) Fastener for Corrugated Board
JP2007205482A (en) Drill screw
TWM591025U (en) Quick-lock fastener

Legal Events

Date Code Title Description
MM4K Annulment or lapse of a utility model due to non-payment of fees